Manuali utente per Mitsubishi Electronics Mitsubishi Digital Electronics Welding System FX1S

Sommario

• FX SERIES PROGRAMMING MANUAL II

  1
• Guidelines

  7
• Contents

  9
  • 1. Introduction

    19
    • 1.1 Overview

      19
    • 1.2 What is a Programmable Controller?

      20
    • 1.3 What do You Need to Program a PLC?

      20
    • 1.4 Special considerations for programming equipment

      21
      • 1.4.1 Current Generation CPU all versions

        21
    • 1.5 Assocciated Manuals

      22
  • 2. Basic Program Instructions

    27
    • 2.1 What is a Program?

      27
    • 2.2 Outline of Basic Devices Used in Programming

      27
    • 2.3 How to Read Ladder Logic

      28
    • 2.4 Load, Load Inverse

      29
    • 2.5 Out

      30
      • 2.5.1 Timer and Counter Variations

        30
      • 2.5.2 Double Coil Designation

        31
    • 2.6 And, And Inverse

      32
    • 2.7 Or, Or Inverse

      33
    • 2.8 Load Pulse, Load Trailing Pulse

      34
    • 2.9 And Pulse, And Trailing Pulse

      35
    • 2.10 Or Pulse, Or Trailing Pulse

      36
    • 2.11 Or Block

      37
    • 2.12 And Block

      38
    • 2.13 MPS, MRD and MPP

      39
    • 2.14 Master Control and Reset

      41
    • 2.15 Set and Reset

      43
    • 2.16 Timer, Counter (Out & Reset)

      44
      • 2.16.1 Basic Timers, Retentive Timers And Counters

        44
      • 2.16.2 Normal 32 bit Counters

        45
      • 2.16.3 High Speed Counters

        45
    • 2.17 Leading and Trailing Pulse

      46
    • 2.18 Inverse

      47
    • 2.19 No Operation

      48
    • 2.20 End

      49
  • 3. STL Programming

    53
    • 3.1 What is STL, SFC And IEC1131 Part 3?

      53
    • 3.2 How STL Operates

      54
      • 3.2.1 Each step is a program

        54
    • 3.3 How To Start And End An STL Program

      55
      • 3.3.1 Embedded STL programs

        55
      • 3.3.2 Activating new states

        55
      • 3.3.3 Terminating an STL Program

        56
    • 3.4 Moving Between STL Steps

      57
      • 3.4.1 Using SET to drive an STL coil

        57
      • 3.4.2 Using OUT to drive an STL coil

        58
    • 3.5 Rules and Techniques For STL programs

      59
      • 3.5.1 Basic Notes On The Behavior Of STL programs

        59
      • 3.5.2 Single Signal Step Control

        61
    • 3.6 Restrictions Of Some Instructions When Used With STL

      62
    • 3.7 Using STL To Select The Most Appropriate Program

      63
    • 3.8 Using STL To Activate Multiple Flows Simultaneously

      64
    • 3.9 General Rules For Successful STL Branching

      66
    • 3.10 General Precautions When Using The FX-PCS/AT-EE Software

      67
    • 3.11 Programming Examples

      68
      • 3.11.1 A Simple STL Flow

        68
      • 3.11.2 A Selective Branch/ First State Merge Example Program

        70
    • 3.12 Advanced STL Use

      72
  • 4. Devices in Detail

    75
    • 4.1 Inputs

      75
    • 4.2 Outputs

      76
    • 4.3 Auxiliary Relays

      77
      • 4.3.1 General Stable State Auxiliary Relays

        77
      • 4.3.2 Battery Backed/ Latched Auxiliary Relays

        78
      • 4.3.3 Special Diagnostic Auxiliary Relays

        79
      • 4.3.4 Special Single Operation Pulse Relays

        79
    • 4.4 State Relays

      80
      • 4.4.1 General Stable State - State Relays

        80
      • 4.4.2 Battery Backed/ Latched State Relays

        81
      • 4.4.3 STL Step Relays

        82
      • 4.4.4 Annunciator Flags

        83
    • 4.5 Pointers

      84
    • 4.6 Interrupt Pointers

      85
      • 4.6.1 Input Interrupts

        86
      • 4.6.2 Timer Interrupts

        86
      • 4.6.3 Disabling Individual Interrupts

        87
      • 4.6.4 Counter Interrupts

        87
    • 4.7 Constant K

      88
    • 4.8 Constant H

      88
    • 4.9 Timers

      89
      • 4.9.1 General timer operation

        90
      • 4.9.2 Selectable Timers

        90
      • 4.9.3 Retentive Timers

        91
      • 4.9.4 Timers Used in Interrupt and ‘CALL’ Subroutines

        92
      • 4.9.5 Timer Accuracy

        92
    • 4.10 Counters

      93
      • 4.10.1 General/ Latched 16bit UP Counters

        94
      • 4.10.2 General/ Latched 32bit Bi-directional Counters

        95
    • 4.11 High Speed Counters

      96
      • 4.11.1 Basic High Speed Counter Operation

        97
      • 4.11.2 Availability of High Speed Counters

        98
      • 4.11.3 1 Phase Counters - User Start and Reset (C235 - C240)

        100
      • 4.11.4 1 Phase Counters - Assigned Start and Reset (C241 to C245)

        101
      • 4.11.5 2 Phase Bi-directional Counters (C246 to C250)

        102
      • 4.11.6 A/B Phase Counters (C252 to C255)

        103
    • 4.12 Data Registers

      104
      • 4.12.1 General Use Registers

        105
      • 4.12.2 Battery Backed/ Latched Registers

        106
      • 4.12.3 Special Diagnostic Registers

        106
      • 4.12.4 File Registers

        107
      • 4.12.5 Externally Adjusted Registers

        108
    • 4.13 Index Registers

      109
      • 4.13.1 Modifying a Constant

        110
      • 4.13.2 Misuse of the Modifiers

        110
      • 4.13.3 Using Multiple Index Registers

        110
    • 4.14 Bits, Words, BCD and Hexadecimal

      111
      • 4.14.1 Bit Devices, Individual and Grouped

        111
      • 4.14.2 Word Devices

        113
      • 4.14.3 Interpreting Word Data

        113
      • 4.14.4 Two’s Compliment

        116
    • 4.15 Floating Point And Scientific Notation

      117
      • 4.15.1 Scientific Notation

        118
      • 4.15.2 Floating Point Format

        119
      • 4.15.3 Summary Of The Scientific Notation and Floating Point Numbers

        120
  • 5. Applied Instructions
  • 6. Diagnostic Devices
  • 7. Execution Times And Instructional Hierarchy
  • 8. PLC Device Tables
  • 9. Assigning System Devices
  • 10. Points Of Technique
  • 11. Index